A 70,000-square-foot institution dedicated to a very literal, creationist perspective on the Book of Genesis.

The largest ancient burial mound in Ohio.

This stuffed pigeon of war had the very serious name "John Silver" until he lost a leg in battle.

The largest earthwork effigy in the world.

A castle built by an eccentric medieval enthusiast in rural Ohio.

Site of the first official transatlantic wireless communications.

World's second largest particle accelerator, where nature reveals its secrets.

One of the smallest towns in the United States.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.

Home to the deepest rift anywhere on Earth.

Lake within a lake.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

Unique Michigan homes look like something out of Tolkien's "The Lord of the Rings."

Strange physical sensations and optical contradictions keep visitors coming back for more.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

This country market harbors goats on its roof.